549023802 has 16 divisors (see below), whose sum is σ = 1113090240. Its totient is φ = 180500832.

The previous prime is 549023773. The next prime is 549023803. The reversal of 549023802 is 208320945.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (549023803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626302 + ... + 627177.

It is an arithmetic number, because the mean of its divisors is an integer number (69568140).

Almost surely, 2^549023802 is an apocalyptic number.

549023802 is an abundant number, since it is smaller than the sum of its proper divisors (564066438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549023802 is a wasteful number, since it uses less digits than its factorization.

549023802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253557.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 549023802 is about 23431.2569445175. The cubic root of 549023802 is about 818.8362442647.

It can be divided in two parts, 5490 and 23802, that added together give a palindrome (29292).

The spelling of 549023802 in words is "five hundred forty-nine million, twenty-three thousand, eight hundred two".